
This crock pot method transforms pork tenderloin into a tender, herb-infused masterpiece with minimal effort. The slow cooking process ensures the meat stays juicy while absorbing the flavors of the stuffing and seasonings.
I’ve perfected this technique to deliver restaurant-quality results at home. The pork emerges tender and flavorful, with every bite infused by the aromatic herbs and savory filling.
The beauty lies in the hands-off approach—simply prep, stuff, and let the crock pot work its magic. By the end, you’ll have a dish that’s as impressive as it is effortless.
Serve it for a special dinner or a cozy family meal. This recipe makes elegance achievable for any home cook.
Ingredients for Stuffed Pork Tenderloin Crock Pot
Elegant yet approachable ingredients create this herb-infused centerpiece with minimal hands-on time.
| Ingredient | Amount | Notes |
|---|---|---|
| Pork Tenderloin 🥩 | 2 lb | Trimmed of excess fat |
| Dried Sage 🌿 | 1 tbsp | Rubbed between palms to release oils |
| Dried Thyme 🍃 | 1 tbsp | Fresh sprigs also work |
| Dried Rosemary 🌿 | 1 tbsp | Finely crushed for even distribution |
| Garlic Cloves 🧄 | 4 cloves | Minced for the stuffing |
| Breadcrumbs 🍞 | 1 cup | Dried, unflavored |
| Parmesan Cheese 🧀 | ½ cup | Freshly grated for best texture |
| Dijon Mustard 🟡 | 2 tbsp | Whole grain preferred |
| Olive Oil 🫒 | 2 tbsp | Divided for searing and stuffing |
| Spinach Leaves 🥬 | 2 cups | Fresh, roughly chopped |
| Chicken Broth 🥣 | ½ cup | Low-sodium for controlled seasoning |
| Kosher Salt 🧂 | 1 tsp | Divided for seasoning layers |
| Black Pepper 🌶️ | ½ tsp | Freshly ground for best flavor |
| Butter 🧈 | 2 tbsp | Unsalted, for stuffing moisture |
The pork tenderloin is the foundation—opt for uniform thickness to ensure even cooking. Whole Foods and Costco carry excellent options; avoid pre-marinated cuts. Fresh herbs can replace dried (use triple the amount), but dried herbs maintain intensity during the long cook. For the breadcrumbs, panko adds texture if you prefer a crunchier stuffing.
No Dijon mustard? Whole grain mustard works identically. Swap Parmesan for Pecorino Romano for sharper flavor, or use nutritional yeast for a dairy-free version. Baby spinach can replace mature leaves (no chopping needed). If avoiding pork, chicken breast butterflied adapts well, though cook time reduces significantly.
Prep the stuffing just before assembling to prevent sogginess. Leftovers keep 3-4 days refrigerated or freeze for 2 months. Reheat gently in broth or sauce to restore moisture. Always bring pork to room temperature before searing for even doneness.
Why You’ll Love This Recipe
- Set and Forget: The crock pot does all the work while I handle the rest of my day.
- Herb-Infused Magic: That rosemary, thyme, and sage combo with garlic makes every bite ridiculous.
- Double Duty: Leftovers make the best sandwiches the next day – no waste here.
Step-by-Step Instructions for Stuffed Pork Tenderloin Crock Pot
This hands-off method delivers perfectly tender results with minimal active cooking time.
Step 1: Butterfly and Season the Pork Tenderloin
Place the pork tenderloin on a cutting board and slice it lengthwise nearly through, stopping just before cutting all the way. Open it like a book so it lies flat. Cover with plastic wrap and pound gently to an even ½-inch thickness using a meat mallet.
Rub the inside surface with 1 tablespoon olive oil, then season evenly with ½ teaspoon kosher salt and ¼ teaspoon black pepper. This creates the foundation for your flavorful stuffing.
Step 2: Prepare the Herb and Spinach Stuffing
In a bowl, combine the breadcrumbs, parmesan cheese, dried sage, dried thyme, dried rosemary, minced garlic cloves, and remaining ½ teaspoon kosher salt and ¼ teaspoon black pepper. Stir in the dijon mustard and remaining 1 tablespoon olive oil until evenly moistened.
Fold in the spinach leaves and butter until the mixture holds together when pressed. The butter ensures the stuffing stays moist during cooking, while the herbs create an aromatic base that infuses every bite.
Step 3: Stuff, Tie, and Sear the Tenderloin
Spread the stuffing mixture evenly over the butterflied pork, leaving a ½-inch border around the edges. Roll it up tightly and secure with kitchen twine at 2-inch intervals. This keeps the filling intact and ensures even cooking.
Heat a large skillet over medium-high heat and sear the pork on all sides for 2-3 minutes per side until golden brown. The sear develops a flavorful crust while locking in juices for that promised tender result.
Step 4: Slow Cook to Perfection
Transfer the seared pork to your crock pot and pour the chicken broth around the base. Cover and cook on low for 4-5 hours or high for 2-3 hours. The liquid creates steam that keeps the meat moist while allowing the flavors to meld.
You’ll know it’s done when an instant-read thermometer inserted into the thickest part reads 145°F. Let it rest in the crock pot with the lid on for 10 minutes before slicing—this final step guarantees juicy, tender meat throughout.
Pro Tips For Making Stuffed Pork Tenderloin Crock Pot
- Butterfly Evenly: Slice the tenderloin lengthwise almost all the way through, then open it like a book—this gives you a flat surface to stuff without making the roll too thick in the middle.
- Toast Your Herbs: I learned this the hard way—bloom the dried sage, thyme, and rosemary in a dry pan for 30 seconds before mixing with the filling to wake up their flavors.
- Skip the Overstuffing: Resist the urge to cram in extra filling, or the roll won’t close properly and the herbs will spill out into the crock pot.
- Sear Before Slow Cooking: A quick 2-minute sear on each side of the rolled tenderloin before it goes into the crock pot locks in juices and adds a depth of flavor the slow cooker alone can’t.
Best Sauces and Condiments for These Flavors
Creamy Mustard Sauce
Whisk ½ cup sour cream with 2 tbsp Dijon mustard and 1 tbsp honey for a tangy-sweet complement. The mustard echoes the stuffing’s flavor while adding richness. Thin with 1-2 tbsp broth if needed. 💛
Apple Cider Reduction
Simmer 1 cup apple cider with 1 tbsp butter and 1 tsp fresh sage until reduced by half. The fruity acidity cuts through the pork’s richness beautifully. Drizzle over slices just before serving.
Garlic Wine Pan Sauce
Deglaze the searing pan with ½ cup dry white wine and ½ cup chicken broth. Add 2 minced garlic cloves and reduce by half. Finish with 1 tbsp cold butter for glossy, luxurious texture.
Herb Butter Finish
Mix 4 tbsp softened butter with 1 tbsp chopped rosemary and 1 tbsp thyme leaves. Dollop onto hot pork slices for an aromatic, melting topping. The herbs tie directly to the stuffing’s profile.
Balsamic Glaze
Reduce ½ cup balsamic vinegar with 1 tbsp brown sugar until syrupy. The sweet-tart contrast enhances the pork’s savory notes. Store-bought glaze works in a pinch—look for Colavita brand. 💫
Spinach Chimichurri
Blend 2 cups fresh spinach, ¼ cup parsley, 2 garlic cloves, ¼ cup olive oil, and 2 tbsp red wine vinegar. This vibrant, herby sauce adds freshness to the rich, slow-cooked pork.
Nutrition Facts
Frequently Asked Questions
Can I prep this the night before?
Yes! Assemble and stuff the pork, then refrigerate uncovered overnight. Sear and cook in the crock pot the next day. This actually enhances the flavors.
What if my stuffing falls out?
Secure the roll tightly with kitchen twine at 2-inch intervals. If gaps appear, use toothpicks to seal. Cook seam-side down in the crock pot to prevent leakage.
Can I use fresh herbs instead?
Use 3 times the amount of fresh herbs (e.g., 3 tbsp fresh sage for 1 tbsp dried). Add them to the stuffing mix just before cooking.
How do I prevent dry pork?
Don’t overcook! Remove when the internal temp hits 145°F, then let it rest for 10 minutes. The broth in the crock pot adds moisture too.
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